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Old European Round Cut Solitaire Engagement Ring
Old European Round Cut Solitaire Engagement Ring
SKU:OJ0833
A 0.50 CT Round Diamond Pendant, On Us With $999+
A 0.75 CT Round Diamond Pendant, On Us With $1,499+
A 1.00 CT Round Diamond Pendant, On Us With $1,999+
A 0.50 CT Round Diamond Pendant, On Us With $999+
A 0.75 CT Round Diamond Pendant, On Us With $1,499+
A 1.00 CT Round Diamond Pendant, On Us With $1,999+
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Product Description
This ring is shaped around an old european cut diamond, chosen for its soft round shape diamond form and broad facets that reflect the character of an antique cut diamond. Also known as a round european cut diamond, this vintage cut diamond carries a look often seen in vintage inspired engagement rings. Crafted as an old european cut diamond engagement ring, it balances history with modern comfort. The center stone is a bold 4.5 carat lab grown diamond, made using man made diamonds methods and featured within today’s lab grown diamond engagement rings.
The diamond is secured with a double prong setting using structured tab prongs, also referred to as a tab prong setting, offering strength without visual weight. Beneath the stone, a visible basket setting diamond forms a clean basket setting, creating a true basket setting engagement ring. The profile rises gently into a cathedral setting, giving the feel of a cathedral style engagement ring while staying balanced on the hand.
Designed as a solitaire engagement ring, it highlights a single center stone and fits naturally into single diamond engagement rings collections. The shape suits lovers of round cut solitaire engagement rings, often called a solitaire round diamond ring or circle engagement ring. Inside the band, sizing beads are placed as sizing beads inside ring for comfort. Finished as a two tone engagement ring, it reflects the appeal of mixed metal rings and completes an engagement ring vintage style look inspired by a true vintage diamond ring.
Key Features:
Diamond Cut: old cut diamond crafted as a round european cut diamond
Diamond Weight: Statement 4.5 carat diamond in EF/VS clarity
Ring Style: classic solitaire engagement ring
Setting Type: double prong setting, basket setting, and cathedral setting decorative gallery ring
Band Details: Plain band with sizing beads inside ring
Metal Look: two tone engagement ring inspired by mixed metal rings
Ideal Ring For: european cut diamond engagement ring lovers and fans of round cut solitaire engagement rings
Metal Purity: 925 Sterling Silver, Solid Gold (10KT/14KT/18KT), 950 Platinum with White, Yellow, Rose Metal Tone
Band Size: 2.7mm width × 1.7mm depth (customizable)
Diamond Details
|| 𝐍𝐨𝐭𝐞: 𝐓𝐡𝐢𝐬 𝐣𝐞𝐰𝐞𝐥𝐫𝐲 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬 𝐈𝐆𝐈 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐝𝐢𝐚𝐦𝐨𝐧𝐝𝐬 𝐨𝐟 𝟏.𝟎𝟎 𝐂𝐓 𝐚𝐧𝐝 𝐚𝐛𝐨𝐯𝐞. ||
Diamond Details
| Shape | Old European Round Cut |
| Color/Clarity | EF_VS |
| Carat Weight | 4.50 CT (± 0.10 CT) |
| Dimension | 10.25*10.25 MM (± 0.05 MM) |
Ring Details
| Ring Width | 2.00 MM [Customization Possible] |
| Ring Depth | 1.70 MM [Customization Possible] |
| Type |
Lab Grown Diamond |
| Metal Purity |
Silver (925,935), Solid Gold (10KT, 14KT, 18KT); 950 Platinum |
| Metal Tone |
White, Yellow, Rose |
| Stamp/Hallmark | Yes |
| Jewelry Certificate | Ouros Brand Authentic Jewelry Certificate - Contact Us for Your Certificate |
MAKING PROCESS
From the first order to the final quality check, every piece passes through a carefully controlled craftsmanship journey.
Order Received
Order details are reviewed and production specifications are confirmed. View Process
CAD Model
A precise 3D model is created according to the approved design. View Process
Stone Making
Diamonds are prepared and selected to match the design specifications. View Process
Wax Model
The CAD design is transformed into a detailed wax model. View Process
Casting
The wax model is cast in the selected metal to form the jewelry. View Process
Filing
The cast piece is refined and corrected for a clean, precise structure. View Process
Pre-Polish
The surface is smoothed and prepared for stone setting. View Process
Setting
The surface is smoothed and prepared for stone setting. View Process
Final Polish
The piece is polished to achieve its final smooth and refined finish. View Process
Quality Check
Every detail is inspected to ensure our quality standards are met. View Process
Shipping
The approved piece is securely packed and prepared for delivery. View Process
Shipping Policy
International Shipping
We offer international shipping, which takes 8–14 business days after dispatch depend on country.
NYC boutique Pickup
if this item is available at our NYC boutique. overnight U.S. shipping can be arranged upon request for an additional fee. You can also pickup this from our NYC boutique
Insured & Trackable
All orders are fully insured and trackable, with signature confirmation available upon request.
Shipping Questions
For any shipping-related questions, please refer to our Shipping Policy or contact our customer support team.
Return Window
You may request a return within 30 days of delivery.
Manufacturing Defects
If a manufacturing defect is identified within 30 days of delivery, we're happy to offer a free repair.
Return Eligibility
Returns based on personal preference after delivery are not eligible. All returns must be pre-approved before being sent back.
After 30 Days
For concerns reported after 30 days, repair services may be available at an additional charge.
Contact & Assistance
For assistance with your return or repair request, please contact contact@ourosjewels.com.




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JM® Care Plan
Care That Keeps Every Detail Brilliant :
Keep your jewelry looking its best with dedicated care for cleaning, polishing, resizing, repairs, and stone replacement — so every piece stays beautiful for years to come.

JM® Care Plan
Care That Keeps Every Detail Brilliant :
Keep your jewelry looking its best with dedicated care for cleaning, polishing, resizing, repairs, and stone replacement — so every piece stays beautiful for years to come.
JM® Care Plan
Care That Keeps Every Detail Brilliant :
Keep your jewelry looking its best with dedicated care for cleaning, polishing, resizing, repairs, and stone replacement — so every piece stays beautiful for years to come.
Our Services
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